1 /*
2  * pengwyn.h
3  *
4  * Copyright (C) 2013 Lothar Felten <lothar.felten@gmail.com>
5  *
6  * based on am335x_evm.h, Copyright (C) 2011 Texas Instruments Inc.
7  *
8  * SPDX-License-Identifier:	GPL-2.0+
9  */
10 
11 #ifndef __CONFIG_PENGWYN_H
12 #define __CONFIG_PENGWYN_H
13 
14 #define CONFIG_NAND
15 #define CONFIG_SERIAL1
16 #define CONFIG_CONS_INDEX		1
17 
18 #include <configs/ti_am335x_common.h>
19 
20 /* Clock Defines */
21 #define V_OSCK				24000000
22 #define V_SCLK				V_OSCK
23 
24 /* set env size */
25 #define CONFIG_ENV_SIZE			0x4000
26 
27 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
28 
29 #ifndef CONFIG_SPL_BUILD
30 #define CONFIG_EXTRA_ENV_SETTINGS \
31 	"loadaddr=0x80200000\0" \
32 	"fdtaddr=0x80F80000\0" \
33 	"bootpart=0:2\0" \
34 	"bootdir=/boot\0" \
35 	"bootfile=zImage\0" \
36 	"fdtfile=am335x-pengwyn.dtb\0" \
37 	"console=ttyO0,115200n8\0" \
38 	"optargs=\0" \
39 	"mmcdev=0\0" \
40 	"mmcroot=/dev/mmcblk0p2 ro\0" \
41 	"mmcrootfstype=ext4 rootwait\0" \
42 	"rootpath=/export/rootfs\0" \
43 	"nfsopts=nolock\0" \
44 	"static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
45 		"::off\0" \
46 	"mmcargs=setenv bootargs console=${console} " \
47 		"${optargs} " \
48 		"root=${mmcroot} " \
49 		"rootfstype=${mmcrootfstype}\0" \
50 	"netargs=setenv bootargs console=${console} " \
51 		"${optargs} " \
52 		"root=/dev/nfs " \
53 		"nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
54 		"ip=dhcp\0" \
55 	"bootenv=uEnv.txt\0" \
56 	"loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
57 	"importbootenv=echo Importing environment from mmc ...; " \
58 		"env import -t $loadaddr $filesize\0" \
59 	"loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
60 	"loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
61 	"mmcloados=run mmcargs; " \
62 		"bootz ${loadaddr} - ${fdtaddr};\0" \
63 	"mmcboot=mmc dev ${mmcdev}; " \
64 		"if mmc rescan; then " \
65 			"echo SD/MMC found on device ${mmcdev};" \
66 			"if run loadbootenv; then " \
67 				"echo Loaded environment from ${bootenv};" \
68 				"run importbootenv;" \
69 			"fi;" \
70 			"if test -n $uenvcmd; then " \
71 				"echo Running uenvcmd ...;" \
72 				"run uenvcmd;" \
73 			"fi;" \
74 			"if run loadimage; then " \
75 				"run loadfdt;" \
76 				"run mmcloados;" \
77 			"fi;" \
78 		"fi;\0" \
79 	"netboot=echo Booting from network ...; " \
80 		"setenv autoload no; " \
81 		"dhcp; " \
82 		"tftp ${loadaddr} ${bootfile}; " \
83 		"tftp ${fdtaddr} ${fdtfile}; " \
84 		"run netargs; " \
85 		"bootz ${loadaddr} - ${fdtaddr}\0" \
86 	"mtdids=" MTDIDS_DEFAULT "\0" \
87 	"mtdparts=" MTDPARTS_DEFAULT "\0" \
88 	"nandargs=setenv bootargs console=${console} " \
89 		"${optargs} " \
90 		"root=${nandroot} " \
91 		"rootfstype=${nandrootfstype}\0" \
92 	"nandroot=ubi0:rootfs rw ubi.mtd=7,2048\0" \
93 	"nandrootfstype=ubifs rootwait=1\0" \
94 	"nandboot=echo Booting from nand ...; " \
95 		"run nandargs; " \
96 		"nand read ${fdtaddr} u-boot-spl-os; " \
97 		"nand read ${loadaddr} kernel; " \
98 		"bootz ${loadaddr} - ${fdtaddr}\0"
99 #endif
100 
101 #define CONFIG_BOOTCOMMAND \
102 	"run mmcboot;" \
103 	"run nandboot;"
104 
105 /* NS16550 Configuration: primary UART via FDTI */
106 #define CONFIG_SYS_NS16550_COM1		0x44e09000
107 #define CONFIG_BAUDRATE			115200
108 
109 /* I2C Configuration */
110 #define	CONFIG_SYS_I2C_SPEED		100000
111 #define CONFIG_CMD_EEPROM
112 #define CONFIG_ENV_EEPROM_IS_ON_I2C
113 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
114 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
115 #define CONFIG_SYS_I2C_MULTI_EEPROMS
116 
117 /* SPL */
118 #define CONFIG_SPL_POWER_SUPPORT
119 #define CONFIG_SPL_YMODEM_SUPPORT
120 
121 /* General network SPL */
122 #define CONFIG_SPL_NET_SUPPORT
123 #define CONFIG_SPL_ENV_SUPPORT
124 #define CONFIG_SPL_NET_VCI_STRING	"AM335x U-Boot SPL"
125 
126 /* NAND support */
127 #define CONFIG_CMD_NAND
128 #define CONFIG_NAND_OMAP_GPMC
129 #define CONFIG_NAND_OMAP_ELM
130 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
131 #define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
132 					 CONFIG_SYS_NAND_PAGE_SIZE)
133 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
134 #define CONFIG_SYS_NAND_OOBSIZE		64
135 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
136 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
137 #define CONFIG_SYS_NAND_ECCPOS		{ 2, 3, 4, 5, 6, 7, 8, 9, \
138 					 10, 11, 12, 13, 14, 15, 16, 17, \
139 					 18, 19, 20, 21, 22, 23, 24, 25, \
140 					 26, 27, 28, 29, 30, 31, 32, 33, \
141 					 34, 35, 36, 37, 38, 39, 40, 41, \
142 					 42, 43, 44, 45, 46, 47, 48, 49, \
143 					 50, 51, 52, 53, 54, 55, 56, 57, }
144 
145 #define CONFIG_SYS_NAND_ECCSIZE		512
146 #define CONFIG_SYS_NAND_ECCBYTES	14
147 #define CONFIG_SYS_NAND_ONFI_DETECTION
148 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_BCH8_CODE_HW
149 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
150 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
151 
152 #define MTDIDS_DEFAULT			"nand0=omap2-nand.0"
153 #define MTDPARTS_DEFAULT		"mtdparts=omap2-nand.0:128k(SPL)," \
154 					"128k(SPL.backup1)," \
155 					"128k(SPL.backup2)," \
156 					"128k(SPL.backup3),1792k(u-boot)," \
157 					"128k(u-boot-spl-os)," \
158 					"128k(u-boot-env),5m(kernel),-(rootfs)"
159 #define CONFIG_ENV_IS_IN_NAND
160 #define CONFIG_ENV_OFFSET		0x260000 /* environment starts here */
161 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
162 /* NAND: SPL falcon mode configs */
163 #ifdef CONFIG_SPL_OS_BOOT
164 #define CONFIG_CMD_SPL_NAND_OFS		0x240000 /* un-assigned */
165 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x280000
166 #define CONFIG_CMD_SPL_WRITE_SIZE	0x2000
167 #endif
168 
169 /*
170  * USB configuration.  We enable MUSB support, both for host and for
171  * gadget.  We set USB0 as peripheral and USB1 as host, based on the
172  * board schematic and physical port wired to each.  Then for host we
173  * add mass storage support.
174  */
175 #define CONFIG_USB_MUSB_DSPS
176 #define CONFIG_ARCH_MISC_INIT
177 #define CONFIG_MUSB_GADGET
178 #define CONFIG_MUSB_PIO_ONLY
179 #define CONFIG_MUSB_DISABLE_BULK_COMBINE_SPLIT
180 #define CONFIG_USB_GADGET
181 #define CONFIG_USB_GADGET_DUALSPEED
182 #define CONFIG_USB_GADGET_VBUS_DRAW	2
183 #define CONFIG_MUSB_HOST
184 #define CONFIG_AM335X_USB0
185 #define CONFIG_AM335X_USB0_MODE	MUSB_PERIPHERAL
186 #define CONFIG_AM335X_USB1
187 #define CONFIG_AM335X_USB1_MODE MUSB_HOST
188 
189 #if defined(CONFIG_MUSB_HOST)
190 #define CONFIG_CMD_USB
191 #define CONFIG_USB_STORAGE
192 #endif
193 
194 #if defined(CONFIG_SPL_BUILD)
195 /* disable host part of MUSB in SPL */
196 #undef CONFIG_MUSB_HOST
197 /* Disable CPSW SPL support so we fit within the 101KiB limit. */
198 #undef CONFIG_SPL_ETH_SUPPORT
199 #endif
200 
201 /* Network */
202 #define CONFIG_CMD_MII
203 #define CONFIG_PHYLIB
204 #define CONFIG_PHY_RESET	1
205 #define CONFIG_PHY_NATSEMI
206 
207 /* CPSW support */
208 #define CONFIG_SPL_ETH_SUPPORT
209 
210 #define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/am33xx/u-boot-spl.lds"
211 
212 #endif	/* ! __CONFIG_PENGWYN_H */
213